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CVE-2024-6923

19
FAUCET Score

CVE-2024-6923 is a medium-severity vulnerability in CPython's email module, allowing for header injection during email serialization due to improper newline quoting. This flaw could enable an attacker to inject arbitrary headers into an email message, potentially leading to information disclosure, integrity compromise, or denial of service. The CVSS score is 5.5, indicating a network-based attack with low complexity, requiring user interaction and low privileges. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.10.0, < 3.10.15CPE match
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 3.11.0, < 3.11.10CPE match
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 3.12.0, < 3.12.5CPE match
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 0, < 3.8.20CPE match
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 3.9.0, < 3.9.20CPE match
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0078 is in the 87th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (63)

microsoftpatch availablevia msrc
Product: 17545-17084Fixed in: 3.12.3-3
microsoftpatch availablevia msrc
Product: 17668-17084Fixed in: 3.12.3-3
microsoftpatch availablevia msrc
Product: azl3 python3 3.12.3-5 on Azure Linux 3.0Fixed in: 3.12.3-3
microsoftpatch availablevia msrc
Product: azl3 python3 3.12.3-3 on Azure Linux 3.0Fixed in: 3.12.3-3
microsoftpatch availablevia msrc
Product: azl3 tensorflow 2.16.1-9 on Azure Linux 3.0Fixed in: 2.16.1-9
microsoftpatch availablevia msrc
Product: cbl2 python3 3.9.19-13 on CBL Mariner 2.0Fixed in: 3.9.19-8
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 3.9.19-8
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 3.9.19-8
microsoftpatch availablevia msrc
Product: 17266-16823Fixed in: 3.9.19-8
microsoftpatch availablevia msrc
Product: 19681-17086Fixed in: 3.9.19-8
microsoftpatch availablevia msrc
Product: 17667-17084Fixed in: 2.16.1-9
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 3.12.3-3
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 3.12.3-3
microsoftpatch availablevia msrc
Product: cbl2 python3 3.9.19-8 on CBL Mariner 2.0Fixed in: 3.9.19-8
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: python3.9-0:3.9.18-3.el9_4.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: python3.11-0:3.11.7-1.el9_4.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: python3.9-0:3.9.16-1.el9_2.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: python3.11-0:3.11.2-2.el9_2.6
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-config-sync-rhel9:1.4.7-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-flow-collector-rhel9:1.4.7-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-operator-bundle:1.4.7-4
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-router-rhel9:2.4.3-7
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-service-controller-rhel9:1.4.7-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-site-controller-rhel9:1.4.7-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-config-sync-rhel9:1.4.7-2
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-flow-collector-rhel9:1.4.7-2
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-operator-bundle:1.4.7-2
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-router-rhel9:2.4.3-6
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-service-controller-rhel9:1.4.7-2
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-site-controller-rhel9:1.4.7-2
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-config-sync-rhel9:1.5.5-4
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-controller-podman-container-rhel9:1.5.5-4
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-controller-podman-rhel9:1.5.5-4
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-flow-collector-rhel9:1.5.5-4
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-operator-bundle:1.5.5-4
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-router-rhel9:2.5.3-6
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-service-controller-rhel9:1.5.5-4
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-config-sync-rhel9:1.5.5-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-controller-podman-container-rhel9:1.5.5-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-controller-podman-rhel9:1.5.5-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-flow-collector-rhel9:1.5.5-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-operator-bundle:1.5.5-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-router-rhel9:2.5.3-5
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-service-controller-rhel9:1.5.5-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-site-controller-rhel9:1.5.5-3
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1 for RHEL 9Fixed in: service-interconnect/skupper-site-controller-rhel9:1.5.5-4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python39:3.9-8100020240826142629.d47b87a4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python39-devel:3.9-8100020240826142629.d47b87a4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python3.12-0:3.12.5-2.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python3.11-0:3.11.9-7.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python3-0:3.6.8-67.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: python39:3.9-8040020240902080505.63cd9eba
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: python39:3.9-8040020240902080505.63cd9eba
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: python39:3.9-8040020240902080505.63cd9eba
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: python39:3.9-8060020240916062113.6a631399
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: python39:3.9-8060020240916062113.6a631399
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: python39:3.9-8060020240916062113.6a631399
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: python39:3.9-8080020240911100614.93c2fc2f
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: python3.12-0:3.12.1-4.el9_4.3
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gimp:flatpak/python2
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python3
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: python

Vendor Advisories (4)

microsoft2024-Dec/CVE-2024-6923

CVE-2024-6923

Dec 10, 2024
microsoft2024-Oct/CVE-2024-6923

CVE-2024-6923

Oct 8, 2024
microsoft2024-Aug/CVE-2024-6923Moderate

Email header injection due to unquoted newlines

Aug 13, 2024
redhatCVE-2024-6923Moderate

cpython: python: email module doesn't properly quotes newlines in email headers, allowing header injection

Aug 1, 2024

References

lists.debian.org / debian-lts-announce/2024/12/msg00000.html
lists.debian.org / debian-lts-announce/2025/01/msg00005.html
security.netapp.com / advisory/ntap-20240926-0003
openwall.com / lists/oss-security/2024/08/01/3
openwall.com / lists/oss-security/2024/08/02/2
github.com / python/cpython/commit/06f28dc236708f72871c64d4bc4b4ea144c50147
github.com / python/cpython/commit/097633981879b3c9de9a1dd120d3aa585ecc2384
github.com / python/cpython/commit/4766d1200fdf8b6728137aa2927a297e224d5fa7
github.com / python/cpython/commit/4aaa4259b5a6e664b7316a4d60bdec7ee0f124d0
github.com / python/cpython/commit/b158a76ce094897c870fb6b3de62887b7ccc33f1
github.com / python/cpython/commit/f7be505d137a22528cb0fc004422c0081d5d90e6
github.com / python/cpython/commit/f7c0f09e69e950cf3c5ada9dbde93898eb975533
github.com / python/cpython/issues/121650
github.com / python/cpython/pull/122233
mail.python.org / archives/list/[email protected]/thread/QH3BUOE2DYQBWP7NAQ7UNHPPOELKISRW